AFL++ vs ClusterFuzz

AFL++

6.6 #47 in Game Mod Managers

About AFL++

ClusterFuzz

7.4 #1 in Fuzz Testing Software

About ClusterFuzz
AFL++ClusterFuzz
Free planYesYes
Free trialNoNo
Paid from€1666.67/moFree
Open sourceNoNo
PlatformsAndroid, Linux, macOS, self-hosted, WindowsLinux, macOS, self-hosted, Web, Windows
Free planYes—
Input generation methodsmutationmutation, generation, hybrid
Target typessource-code targets, binary-only targets, file inputs, stdin inputs, Android native libraries, Win32 PE binariesbinary formats, HTML, JavaScript, browser DOM, native programs
Coverage guidanceYesYes
Crash triageYesYes
Execution modelocalhybrid
Supported languagesC, C++, Python, RustC, C++, Rust; potentially other LLVM-based languages
CI/CD supportYesYes

Both are listed in Best Fuzz Testing Software. On Everything Xiaomi, ClusterFuzz scores higher on our published basis.